Substance Identity
CAS Number 1131-60-8
Chemical Name Phenol, 4-cyclohexyl-
Type of substance Organic
SMILES Oc(ccc(c1)C(CCCC2)C2)c1
Moiety of concern organic
Categorization Results

Meets Government of Canada Categorization Criteria? No
Meets Human Health Categorization Criteria? No
Meets Environmental Criteria for Categorization? No
Persistent (P)? No
Rational for P QSAR
Bioaccumulative (B)? No
Rational for B QSAR
Inherently Toxic to Aquatic Organisms (iT)? Yes
Rational for iT QSAR
DSL Quantity range (tonnes/year) 0 to 1T

Ecological data supporting decisions

Underlying data regarding persistence

Media of concern leading to Categorization Water-Soil
Experimental Biodegradation half-life (days) Not Available
Predicted Ultimate degradation half-life (days) 15
MITI probability of biodegradation 0.4629
TOPKAT probability of biodegradation 0.088
EPI Predicted Ozone reaction half-life (days) 999
EPI Predicted Atmospheric Oxidation half-life (days) 0.2129

Underlying data regarding Bioaccumulation

Empirical Log Kow 4.22
Log Kow predicted by KowWin 4.33
Log BAF T2MTL predicted by Gobas 3.13875118578709
Log BCF 5% T2LTL predicted by Gobas 2.92307363924899
Log BCF Max predicted by OASIS 3.64197580686305
Log BCF predicted by BCFWIN 2.549

Underlying data regarding inherent toxicity to aquatic organisms

Pivotal value for iT (mg/l) 0.9651
Robust Study Summary iT
1131608-AT-snails.doc
Toxicity to fathead minnow (LC50 in mg/l) as predicted by Topkat v6.1 0.9651
Toxicity to fish (LC50 in mg/l) as predicted by Ecosar v0.99g 0.95
Toxicity to fish (LC50 in mg/l) as predicted by Oasis Forecast M v1.10 0.8634
Toxicity to fish (LC50 in mg/l) as predicted by Aster 1.9697
Toxicity to fish (LC50 in mg/l) as predicted by PNN 51.48666
Toxicity to fish, daphnia, algae or mysid shrimp (EC50 or LC50 in mg/l) as predicted by Ecosar v0.99g 0.759
Toxicity to fish (LC50 in mg/l) as predicted by Neutral Organics QSAR in Ecosar v0.99g 2.81E-001

Human Health data supporting decisions
Underlying data regarding potential for exposure

LPE/IPE/GPE Lowest Potential for Exposure (HC Simple Exposure Tool)

Underlying data regarding Previous Assessments

Underlying data regarding Simple Hazard Assessment


Underlying data regarding Complex Hazard Assessment